Home / 331,073.22-456,977.43-216,368.58

Finding the Fourth Proportional to 331,073.22, 456,977.43 and 216,368.58

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Solution

The fourth proportional to 331,073.22, 456,977.43 and 216,368.58 is: 298,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,073.22 : 456,977.43 = 216,368.58 : x
  2. Step 2: Convert to fraction form
    331,073.22/456,977.43 = 216,368.58/x
  3. Step 3: Cross multiply
    331,073.22x = 456,977.43 × 216,368.58
  4. Step 4: Simplify right side
    331,073.22x = 98,875,557,621.15
  5. Step 5: Solve for x
    x = 98,875,557,621.15/331,073.22
  6. Step 6: Final answer
    x = 298,651.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.